by University of Montreal CD47 interacts in cis with SLAMF7 on tumor cells. a, Binding of CD47-Fc (red line) to WT or Sirpa−/− BMDMs assayed by flow cytometry. Filled curves, Ctrl Fc. b, Mass spectrometry analysis of Flag mAb immunoprecipitates from L1210 derivatives expressing a Flag-tagged variant of mCD47 showing various potentially associated proteins. c, Co-IP...